DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Speed Voltage Current None of the listed here Speed Voltage Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Stray losses None of the listed here Mechanical losses Stray losses plus shunt cu loss Stray losses None of the listed here Mechanical losses Stray losses plus shunt cu loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % More than 20% 2% to 5% 15 to 25% Less than 0.5 % More than 20% 2% to 5% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Total copper loss and mechanical loss Iron loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Iron loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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